Basic Calculator
Add, subtract, multiply, divide
0
How to Use
- Click the number buttons to enter a value
- Select an operation: +, −, ×, or ÷
- Enter the second number
- Press = to calculate
- Press C to clear and start over
FAQ
How do I calculate a percentage?
To find 20% of 150: press 150 × 20 % = to get 30.
What is the CE button?
CE (Clear Entry) clears only the last entered number, while C clears the entire calculation.
Can I use keyboard shortcuts?
Yes! Use number keys (0–9), operators (+, -, *, /), Enter for =, and Escape for C.